What is the surface area of the composite figure?

a. 608 cm 2
b. 672 cm 2
c. 570 cm 2
d. 544 cm 2

Option D is correct.

Step-by-step explanation:

We are given with a solid figure with cuboid in base and square based pyramid in top.

we have to find Surface of the figure.

Surface Area = Curved surface ares of cuboid + area of base of cuboid + lateral surface area of pyramid.

Length of the cuboid, l = 8 cm

width of the cuboid , w = 8 cm

height of the cuboid , h = 11 cm

Lateral surface area of pyramid = 4 × Area of a triangle

Base of triangle , b = length of cuboid = 8 cm

Height of the triangle ,H = 8 cm

Surface Area = 2 × h × ( l+w ) + l × b + 4 × 1/2 × b × H

                      = 2 × 11 × ( 8 + 8 ) + 8 × 8 + 2 × 8 × 8

                      = 22 × 16 + 64 + 128

                      = 352 + 192

                      = 544 cm²

Therefore, Option D is correct.

answer: the answer is one of

step-by-step explanation:   we are given to write a proper fraction where the whole is divided into an even number of equal parts less than ten, and an odd number of those parts exist.

an even number less than 10 may be one of 2, 4, 6 or 8. so, the whole may be one of these four evens.

now, an odd number of these parts must exist, so the numerator must be an odd number, one of 1, 3, 5 or 7. it cannot be 9 because then the fraction will become improper.

thus, our fraction may be one of the following

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